1 files changed, 8 insertions, 6 deletions

diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c
index e0d351b01f5a..d9c60f80aa0d 100644
--- a/kernel/trace/trace_event_profile.c
+++ b/kernel/trace/trace_event_profile.c
@@ -9,31 +9,33 @@
 #include "trace.h"
 
 
-struct perf_trace_buf *perf_trace_buf;
+char *perf_trace_buf;
 EXPORT_SYMBOL_GPL(perf_trace_buf);
 
-struct perf_trace_buf *perf_trace_buf_nmi;
+char *perf_trace_buf_nmi;
 EXPORT_SYMBOL_GPL(perf_trace_buf_nmi);
 
+typedef typeof(char [FTRACE_MAX_PROFILE_SIZE]) perf_trace_t ;
+
 /* Count the events in use (per event id, not per instance) */
 static int      total_profile_count;
 
 static int ftrace_profile_enable_event(struct ftrace_event_call *event)
 {
-        struct perf_trace_buf *buf;
+        char *buf;
         int ret = -ENOMEM;
 
         if (atomic_inc_return(&event->profile_count))
                 return 0;
 
         if (!total_profile_count) {
-                buf = alloc_percpu(struct perf_trace_buf);
+                buf = (char *)alloc_percpu(perf_trace_t);
                 if (!buf)
                         goto fail_buf;
 
                 rcu_assign_pointer(perf_trace_buf, buf);
 
-                buf = alloc_percpu(struct perf_trace_buf);
+                buf = (char *)alloc_percpu(perf_trace_t);
                 if (!buf)
                         goto fail_buf_nmi;
 
@@ -79,7 +81,7 @@ int ftrace_profile_enable(int event_id)
 
 static void ftrace_profile_disable_event(struct ftrace_event_call *event)
 {
-        struct perf_trace_buf *buf, *nmi_buf;
+        char *buf, *nmi_buf;
 
         if (!atomic_add_negative(-1, &event->profile_count))
                 return;